Home / 7,956.26-10,981.78-4,970.30

Finding the Fourth Proportional to 7,956.26, 10,981.78 and 4,970.30

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Solution

The fourth proportional to 7,956.26, 10,981.78 and 4,970.30 is: 6,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.26 : 10,981.78 = 4,970.30 : x
  2. Step 2: Convert to fraction form
    7,956.26/10,981.78 = 4,970.30/x
  3. Step 3: Cross multiply
    7,956.26x = 10,981.78 × 4,970.30
  4. Step 4: Simplify right side
    7,956.26x = 54,582,741.13
  5. Step 5: Solve for x
    x = 54,582,741.13/7,956.26
  6. Step 6: Final answer
    x = 6,860.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.